Know Your Environment. Protect Your Health.

Chloromethane

Town of Snow Hill

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
20190.510 ppb110.510 ppb
2020N/A00N/A
2021N/A00N/A
20220.650 ppb110.650 ppb
20231.28 ppb111.28 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-08106569PND
2014-04-08106570PND
2014-04-08106571PND
2014-10-08109422PND
2014-10-14109423PND
2014-11-05109805RND
2019-06-11E190042540010.510 ppb
2022-03-29E22010042010.650 ppb
2023-06-15E23002876011.28 ppb